Service manuals, schematics, eproms for electrical technicians

GB14H1N EREDETI

TV - EPROM
Type: (E2P)
Size
1.1 KB
Page
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Category
TV
EPROM
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    GB-14H-1N EREDETI GB14H1N GB 14
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Relevant TV forum topics:
SEG CT2801 ( SDA555XFL A14)
Sziasztok Kedves Szaktársak! Keresek egy ilyen csodabogarat ebbe a tv - be. Hibajelenség: stby- ból nem kapcsol be semmi áron. A led az elején világít, a jellemző feszültségek 3.3 v, meg a 317 utániak is rendben, de nem vesz észre semmit, se távirányítóról, se az elején levő gombok nem kapcsolják be.Én erre az sda 555 -re gondoltam. Biztos ti jobban értetek hozzá, mert én még nem javítottam ilyesmit. Ha valakinek lenne ilyen IC-je megvenném, mert sajnálom kidobni.:)
CW-29z068p K55A kép hiba
Szerbusztok ! A következő hibával találkoztatok-e ? A képtartalom felbontása nagymértékben leromlik , az alakok körvonalai késnek a mozgáshoz képest,ha képen gyors változás van . Viszont tökéletes éles a kép, ha minimális a képtartalom változás. Köszi a segítséget.
LG LCD TV RZ 15 LA 70 chassis ML 041B fura hiba
Üdv. mindenkinek LG RZ 15LA70 ipusú ML-041B alaplappal szerelt TV vel szívok Ha megérintem szkóppal az SDA vagy az SCL vonalat akkor néha elindul és tökéletesen üzemel ha nem érintem meg el sem indul mi lehet a gond
lcd tv SAMSUNG LE40R71B relay clicking
I have this TV equipped with the source BN44-00134A.Tv does not start, it is heard how the relay is continuously coupling and disconnecting. The stable voltage drop is STB = 6.5V, P-ON / OFF varies between 0.2-2.5V in normal operation = 2.6V) PFC between 360-385V (when going is 382V). All electrolytes, secondary-primary, have been changed, except the 220uF / 450V which is ok. In this state, if measure the voltage on the pins 1-2 to optocoupler PCS802, the relay stay connect and tv work normally . I have replaced the PCS802,801, the ICS 802 (KIA431), the QP803, the QS801, the QS802 checked. If I stop it(unplugged) and I restart the tv in a few minutes, it works normally, if I leave it a little longer, the defect returns. Any suggestion is welcome, I do not think it would be the problem with the mainboard. Thank you!
 I attach the power supply+ inverter schematic model BN44-00134A
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